PHPSA\Compiler\Expression\Operators\Arithmetical\Minus

Complexity

Total Complexity

7

Size/Duplication

Total Lines	40
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	4

Test Coverage

Coverage

69.57%

Importance

Changes	1
Bugs	0	Features	0

1 Method

Rating	Name	Duplication	Size	Complexity
C	compile()	0	28	7

<?php
/**
 * PHP Static Analysis project 2015
 *
 * @author Patsura Dmitry https://github.com/ovr <talk@dmtry.me>
 */

namespace PHPSA\Compiler\Expression\Operators\Arithmetical;

use PHPSA\CompiledExpression;
use PHPSA\Context;
use PHPSA\Compiler\Expression;
use PHPSA\Compiler\Expression\AbstractExpressionCompiler;

class Minus extends AbstractExpressionCompiler
{
    protected $name = 'PhpParser\Node\Expr\BinaryOp\Minus';

    /**
     * {expr} - {expr}
     *
     * @param \PhpParser\Node\Expr\BinaryOp\Minus $expr
     * @param Context $context
     * @return CompiledExpression
     */
    protected function compile($expr, Context $context)
    {
        $expression = new Expression($context);
        $left = $expression->compile($expr->left);

        $expression = new Expression($context);
        $right = $expression->compile($expr->right);

        switch ($left->getType()) {
            case CompiledExpression::LNUMBER:
                switch ($right->getType()) {
                    case CompiledExpression::LNUMBER:
                        return new CompiledExpression(CompiledExpression::LNUMBER, $left->getValue() - $right->getValue());
                    case CompiledExpression::DNUMBER:
                        return new CompiledExpression(CompiledExpression::DNUMBER, $left->getValue() - $right->getValue());
                }
                break;
            case CompiledExpression::DNUMBER:
                switch ($right->getType()) {
                    case CompiledExpression::LNUMBER:
                    case CompiledExpression::DNUMBER:
                        return new CompiledExpression(CompiledExpression::DNUMBER, $left->getValue() - $right->getValue());
                }
                break;
        }

        return new CompiledExpression(CompiledExpression::UNKNOWN);
    }
}